Math

Question 1

What is a composite number?

Answer 1

A number greater than 1 that is not a prime number.

Question 2

What is a rational number?

Answer 2

A number that can be expressed as a fraction.

Question 3

What is an irrational number?

Answer 3

A number that cannot be expressed as a fraction, like pi or the square root of x.

Question 4

A negative number raised to an even power is always positive or negative?

Answer 4

Positive

Question 5

A negative number raised to an odd power is always positive or negative?

Answer 5

Negative

Question 6

For all nonzero numbers a, a to the zeroth power is:

Answer 6

1

Question 7

Zero to the zeroeth power is:

Answer 7

Undefined

Question 8

The square root of a times the square root of b equals:

Answer 8

The square root of a times b.

Question 9

The square root of a divided by the square root of b equals:

Answer 9

The square root of a over b.

Question 10

x to the -a equals:

Answer 10

1/x to the a

Question 11

x^a * x^b equals:

Answer 11

x^(a+b)

Question 12

(x^a)/(x^b) equals:

Answer 12

x^(a-b) and 1/(x^b-a)

Question 13

x^a * y^a equals:

Answer 13

(xy)^a

Question 14

(x/y)^a equals:

Answer 14

(x^a)/(x^a)

Question 15

(x^a)^b equals:

Answer 15

x^ab

Question 16

The equation for calculating simple interest:

Answer 16

V = P (1 + (rt)/100)

Question 17

The equation for calculating compound interest compounded annually:

Answer 17

V = P(1+(rt)/100)^t

Question 18

The equation for calculating compound interest compounded n times a year:

Answer 18

V = P(1+(rt)/100n)^nt

Question 19

If a polygon has n sides, the sum of its angles equals:

Answer 19

(n-2)(180)

Question 20

The area of a trapezoid is:

Answer 20

A = (1/2)(B1+B2)(h)

Question 21

What is the circumference of a circle?

Answer 21

2[pi]r

Question 22

What is the area of a circle?

Answer 22

[pi]r^2

Question 23

What is the volume of a cylinder?

Answer 23

V = [pi]r^2h

Question 24

What is the area of a cylinder?

Answer 24

A = 2([pi]r^2) + 2[pi]rh